Stable & Clear Calls: FreeBuds 7i Bluetooth Earphones with AI & Bone Voice Pickup. Triple mics + bone sensor capture your voice, AI cancels wind/noise up to 90dB for crisp conversations anywhere. Intelligent Dynamic ANC 4.0: Intelligent noise cancellation via an 8mm air vent and triple mics blocks distractions in any noisy environment. Even in a noisy metrao, a chaotic dorm or a cafe. Experience Unlimited spatial audio with Head Tracking：360° immersion on any device. Features an 11mm quad-magnet driver for lifelike sound & studio balance. Customize with 10-band EQ & personal audio styles. Comfortable Fit & Fast Charging: Enjoy a perfect seal and noise isolation with four sizes of ear tips, while 10-minute fast charging gives you 4 hours of playback from a total 35-hour battery life. Compatible with Android and iOS: Compatible with Android/iOS/Windows, connect 2 devices simultaneously & auto-switch audio. Supports seamless audio switching across multiple devices on EMUI systems. HUAWEI FreeBuds 7i Wireless Earbuds, Intelligent Active Noise Cancellation 4.0, Unlimited Spatial Audio, iOS and Android, Stable Clear Calls, 4 Ear Tips for Comfitable fit, Fast Charging, Black